diff --git a/configs/skp16c26/ostest/defconfig b/configs/skp16c26/ostest/defconfig
index ff764621f1..0536c3f12c 100644
--- a/configs/skp16c26/ostest/defconfig
+++ b/configs/skp16c26/ostest/defconfig
@@ -78,7 +78,7 @@ CONFIG_BOARD_LOOPSPERMSEC=16945
 CONFIG_ARCH_INTERRUPTSTACK=128
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_ARCH_LEDS=y
-CONFIG_ARCH_BUTTONS=y
+CONFIG_ARCH_BUTTONS=n
 CONFIG_ARCH_LCD=y
 
 #
@@ -133,6 +133,9 @@ CONFIG_LCD_CONSOLE=y
 # CONFIG_INTELHEX_BINARY - make the Intel HEX binary format
 #   used with many different loaders using the GNU objcopy program
 #   Should not be selected if you are not using the GNU toolchain.
+# CONFIG_MOTOROLA_SREC - make the Motorola S-Record binary format
+#   used with many different loaders using the GNU objcopy program
+#   Should not be selected if you are not using the GNU toolchain.
 # CONFIG_RAW_BINARY - make a raw binary format file used with many
 #   different loaders using the GNU objcopy program.  This option
 #   should not be selected if you are not using the GNU toolchain.
@@ -140,6 +143,7 @@ CONFIG_LCD_CONSOLE=y
 #
 CONFIG_RRLOAD_BINARY=n
 CONFIG_INTELHEX_BINARY=n
+CONFIG_MOTOROLA_SREC=y
 CONFIG_RAW_BINARY=n
 CONFIG_HAVE_LIBM=n
 
@@ -187,7 +191,7 @@ CONFIG_SCHED_INSTRUMENTATION=n
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2009
 CONFIG_START_MONTH=2
-CONFIG_START_DAY=17
+CONFIG_START_DAY=20
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
 CONFIG_DEV_LOWCONSOLE=y
@@ -222,7 +226,7 @@ CONFIG_DISABLE_POLL=y
 # CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
 #   little smaller if we do not support fieldwidthes
 #
-CONFIG_NOPRINTF_FIELDWIDTH=n
+CONFIG_NOPRINTF_FIELDWIDTH=y
 
 #
 # Allow for architecture optimized implementations
@@ -278,19 +282,19 @@ CONFIG_ARCH_KFREE=n
 #   timer structures to minimize dynamic allocations.  Set to
 #   zero for all dynamic allocations.
 #
-CONFIG_MAX_TASKS=64
-CONFIG_MAX_TASK_ARGS=4
-CONFIG_NPTHREAD_KEYS=4
-CONFIG_NFILE_DESCRIPTORS=32
-CONFIG_NFILE_STREAMS=16
+CONFIG_MAX_TASKS=8
+CONFIG_MAX_TASK_ARGS=2
+CONFIG_NPTHREAD_KEYS=0
+CONFIG_NFILE_DESCRIPTORS=8
+CONFIG_NFILE_STREAMS=8
 CONFIG_NAME_MAX=32
-CONFIG_STDIO_BUFFER_SIZE=1024
-CONFIG_NUNGET_CHARS=2
-CONFIG_PREALLOC_MQ_MSGS=32
-CONFIG_MQ_MAXMSGSIZE=32
-CONFIG_MAX_WDOGPARMS=4
-CONFIG_PREALLOC_WDOGS=32
-CONFIG_PREALLOC_TIMERS=8
+CONFIG_STDIO_BUFFER_SIZE=64
+CONFIG_NUNGET_CHARS=0
+CONFIG_PREALLOC_MQ_MSGS=0
+CONFIG_MQ_MAXMSGSIZE=0
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=8
+CONFIG_PREALLOC_TIMERS=0
 
 #
 # TCP/IP and UDP support via uIP
@@ -523,9 +527,9 @@ CONFIG_DM9X_ETRANS=n
 CONFIG_BOOT_FROM_FLASH=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_STACK_POINTER=
-CONFIG_IDLETHREAD_STACKSIZE=4096
-CONFIG_USERMAIN_STACKSIZE=4096
-CONFIG_PTHREAD_STACK_MIN=256
-CONFIG_PTHREAD_STACK_DEFAULT=4096
+CONFIG_IDLETHREAD_STACKSIZE=256
+CONFIG_USERMAIN_STACKSIZE=256
+CONFIG_PTHREAD_STACK_MIN=64
+CONFIG_PTHREAD_STACK_DEFAULT=256
 CONFIG_HEAP_BASE=
 CONFIG_HEAP_SIZE=